Metamorphic Or Sedimentary Depending On Local Grade

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Peridot

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Gold Ore

Native Gold (Au) in Matrix

Diamond (or Diamond Simulant)

Carbon (C)

Epidote in Matrix (Unakite-related)

Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))

Epidote

Epidote (Ca2(Al, Fe)3(SiO4)3(OH))

Limonite-stained Quartz / Quartzite

Silicon Dioxide (SiO2) with iron hydroxides (FeO(OH)·nH2O)

Magnetite

Magnetite (Fe3O4)

Pyrite

Pyrite (FeS2)

Sodalite

Sodalite (Na4Al3Si3O12Cl)

Corundum (Ruby/Sapphire crystal)

Al2O3 (Aluminum Oxide)

Porphyritic Basalt

Porphyritic Basalt with Olivine phenocrysts

Labradorite (Carved)

(Ca, Na)(Al, Si)4O8

Calcite

Calcite (CaCO₃, Calcium Carbonate)

Banded Gneiss with Quartz Veining

Gneiss (High-grade Regional Metamorphism)

Epidotite

Epidotite (Epidote content > 50%)

Staurolite (Cross Stone)

Staurolite (Fe2+2Al9Si4O23(OH))

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (composed primarily of SiO2)

Mica Schist

Foliated Metamorphic Rock (Schist)

Greenstone

Metabasalt or Greenschist (often contains Chlorite, Actinolite, and Epidote)

Schist

Mica Schist (Quartz-Muscovite-Biotite Schist)

Nuummite

Nuummite (intergrowth of orthoamphiboles Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)

Epidote in Matrix

Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Slate

Slate

Micaceous Rock (likely Muscovite Schist/Gneiss or a Muscovite-rich Specimen)

Predominantly Muscovite (KAl2(AlSi3O10)(F,OH)2), often found in rocks like Muscovite Schist or Muscovite Gneiss.

Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Gneiss

Gneiss (a type of metamorphic rock)

Lapis Lazuli (Carved)

Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Brecciated Quartzite

Brecciated Quartzite

Copper-bearing Quartz (likely Malachite on Quartz matrix)

Cu2CO3(OH)2 (Malachite) on SiO2 (Quartz)

Nuummite

Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)

Quartzite

Quartzite (SiO2)

Greenschist

Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)

Schist

Mica Schist (predominantly Muscovite/Biotite)

Mica Schist

Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)

Petrified Wood

Silicified Wood (primarily Quartz / Chalcedony: SiO2)

Yellow Jade (Nephrite or Quartzite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jade-colored Quartzite (SiO2)

Slate

Slate (Foliated metamorphic rock consisting mainly of quartz and muscovite or illite)

Greenstone

Metabasalt / Greenschist facies rock

Nuummite

Orthoamphibole (mixture of Anthophyllite and Gedrite)